Question

What is the vertex of the graph of y = –4(x + 2)2 + 5?


(2, 5)



(–2, 5)



(5, –2)



(5, 2)

Answer 1

this is opening down, convince yourself by grahing, so vertex has the max y. max is 5 if x+2=0, so x=-2

Answer 2

The answer is (-2,5)